ANSI-ESD-STM5.1-2007

ANSI/ESDSTM5.1-2007ForElectrostaticDischargeSensitivityTesting–HumanBodyModel(HBM)ComponentLevelElectrostaticDischargeAssociation7900TurinRoad,Bldg.3Rome,NY13440AnAmericanNationalStandardApprovedNovember12,2007RevisionofANSI/ESDSTM5.1-2001ANSI/ESDSTM5.1-2007____________________________________________________________________________ESDAssociationStandardTestMethodforElectrostaticDischargeSensitivityTesting–HumanBodyModel(HBM)ComponentLevelESDAssociationApprovedSeptember16,2007ANSI/ESDSTM5.1-2007____________________________________________________________________________ElectrostaticDischargeAssociation(ESDA)standardsandpublicationsaredesignedtoservethepublicinterestbyeliminatingmisunderstandingsbetweenmanufacturersandpurchasers,facilitatingtheinterchangeabilityandimprovementofproductsandassistingthepurchaserinselectingandobtainingtheproperproductforhisparticularneeds.Theexistenceofsuchstandardsandpublicationsshallnotinanyrespectprecludeanymemberornon-memberoftheAssociationfrommanufacturingorsellingproductsnotconformingtosuchstandardsandpublications.NorshallthefactthatastandardorpublicationispublishedbytheAssociationprecludeitsvoluntaryusebynon-membersoftheAssociationwhetherthedocumentistobeusedeitherdomesticallyorinternationally.RecommendedstandardsandpublicationsareadoptedbytheESDAinaccordancewiththeANSIPatentpolicy.InterpretationofESDAStandards:Theinterpretationofstandardsin-so-farasitmayrelatetoaspecificproductormanufacturerisapropermatterfortheindividualcompanyconcernedandcannotbeundertakenbyanypersonactingfortheESDA.TheESDAStandardsChairmanmaymakecommentslimitedtoanexplanationorclarificationofthetechnicallanguageorprovisionsinastandard,butnotrelatedtoitsapplicationtospecificproductsandmanufacterers.NootherpersonisauthorizedtocommentonbehalfoftheESDAonanyESDAStandard.THECONTENTSOFESDA’SSTANDARDSANDPUBLICATIONSAREPROVIDED“AS-IS,”ANDESDAMAKESNOREPRESENTATIONSORWARRANTIES,EXPRESSORIMPLIED,OFANYKINDWITHRESPECTTOSUCHCONTENTS.ESDADISCLAIMSALLREPRESENTATIONSANDWARRANTIES,INCLUDINGWITHOUTLIMITATION,WARRANTIESOFMERCHANTABILITY,FITNESSFORPARTICULARPURPOSEORUSE,TITLEANDNON-INFRINGEMENT.ESDASTANDARDSANDPUBLICATIONSARECONSIDEREDTECHNICALLYSOUNDATTHETIMETHEYAREAPPROVEDFORPUBLICATION.THEYARENOTASUBSTITUTEFORAPRODUCTSELLER’SORUSER’SOWNJUDGEMENTWITHRESPECTTOANYPARTICULARPRODUCTDISCUSSED,ANDESDADOESNOTUNDERTAKETOGUARANTYTHEPERFORMANCEOFANYINDIVIDUALMANUFACTURERS’PRODUCTSBYVIRTUEOFSUCHSTANDARDSORPUBLICATIONS.THUS,ESDAEXPRESSLYDISLAIMSANYRESPONSIBILITYFORDAMAGESARISINGFROMTHEUSE,APPLICATION,ORRELIANCEBYOTHERSONTHEINFORMATIONCONTAINEDINTHESESTANDARDSORPUBLICATIONS.NEITHERESDA,NORITSMEMBERS,OFFICERS,EMPLOYEESOROTHERREPRESENTATIVESWILLBELIABLEFORDAMAGESARISINGOUTOFORINCONNECTIONWITHTHEUSEORMISUSEOFESDASTANDARDSORPUBLICATIONS,EVENIFADVISEDOFTHEPOSSIBILITYTHEROF.THISISACOMPREHENSIVELIMITATIONOFLIABILITYTHATAPPLIESTOALLDAMAGESOFANYKIND,INCLUDINGWITHOUTLIMITATION,LOSSOFDATA,INCOMEORPROFIT,LOSSOFORDAMAGETOPROPERTYANDCLAIMSOFTHIRDPARTIES.Publishedby:ElectrostaticDischargeAssociation7900TurinRoad,Bldg.3Rome,NY13440Copyright©2007byESDAssociationAllrightsreservedNopartofthispublicationmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.PrintedintheUnitedStatesofAmericaISBN:1-58537-139-4DISCLAIMEROFWARRANTIESDISCLAIMEROFGUARANTYLIMITATIONONESDA’sLIABILITYCAUTIONNOTICEANSI/ESDSTM5.1-2007____________________________________________________________________________i(ThisforewordisnotpartofANSI/ESDSTM5.1-2007)FOREWORDTheANSI/ESDSTM5.1-2001documenthasbeenreviewedandupdatedin2006.Thebasicspecificationsinthedocumenthavenotchanged.AlistoftheeditsmadetothisdocumentisshowninAnnexF,titled“ANSI/ESDSTM5.1-2007RevisionHistory.”ThemostsignificantchangestothedocumentincludenewdefinitionsofdifferentmeasurementtermsthatdefinetheHBMpeakcurrent,Ips.Anewdefinitionforthe“NoConnectPin”hasbeenaddedandtherequirementstoHBMstressthisfamilyofpinshasbeenremoved.Theotherchangestothedocumentincludetherequirementtoverifythepeakcurrentwaveformforeachindependent“pulsegenerationcircuit,”slighteditstohowIpspeakcurrentcanbeverifiedinSection7.0,relaxationofthe2ohmrequirementto3ohmrequirementforthebusresistancebetweenlikenamepowerand/orgroundsupplypins,optionalcheckfor“trailingcurrentpulse,”andanotheroptionalcheckforthe“voltagebeforethepulse.”TheremovaloftheHBMstressingoftheNoConnectPinwasmadebecausetheHBMWorkGroupbelievestheexistingHBMsimulatorscannotcorrectlytestthesepins.NewresearchhasshownthatthetestingofthistypeofpinismoredifficultduetotheinteractionoftheHBMsimulatortesterparasitics.Untilabettertestprocedurecanbedefined,theWorkGroupbelievesthebestoptionatthistimeistostopHBMstressingtheNoConnectPin.ThisrevisionincludestwonewoptionalmeasurementsthataddressnewlydiscoveredHBMtestequipmentparasiticartifacts.Theyincludeanoptionalcheckfora“trailingcurrentpulse”andanoptionalcheckforthe“voltagebeforethepulse.”TworecentHBMresearchpapershavedemonstratedthatHBMsensitivitylevelscanbefalselyclassifiedduetotheparasiticartifa